as we continue the advertising blitz that has given president obama a big bounce in the poll. calculated campaign effort in some very important states. >> and l airport security missing sochlingt wait until you see this investigation from abc news. >> east bay students who took an innovative new class and saved their school tens of saved their school tens of thousands of dollars about. >> this is really amazing. shocking new abc news investigation tonight into just how secure those airport security check points are when it comes to your belongings. new report shows that 3 81 tsa employee have been fired for stealing from passengers. some officials say that's really just the tip of the ice berg. aby news chief investigative correspondent brian ross has this eye opening report. >> instead of protecting passengers, prosecutors say the tsa officer caught on this airport surveillance tape in memphis was stealing from one. first at an empty ticket counter he stashes a lap top left behind at checkpoint. then drapes a jacket over the lap top and walks away. in this case the tsa office